Communication Apparatus and Control Method for Enabling a Combination of a Frequency Band and an Authentication Method to Be Appropriately Set

1. A communication apparatus comprising: at least one memory that stores a set of instructions; and at least one processor that executes the instructions, the instructions, when executed, causing the communication apparatus to perform operations comprising: selecting a frequency band to be used in a case where wireless communication complying with an Institute of Electrical and Electronics Engineers (IEEE) 802.11 series standard is executed; selecting an authentication method to be used in a case where wireless communication complying with an IEEE 802.11 series standard is executed; and performing a control to issue a notification to a user, in such a manner as to restrict a combination of the selection of a predetermined frequency band and the selection of a predetermined authentication method, wherein, in a case where the predetermined frequency band is selected, a control is performed not to display the predetermined authentication method in a selectable state, and to display another authentication method different from the predetermined authentication method in a selectable state, and wherein, in a case where a frequency band different from the predetermined frequency band is selected, a control is performed to display the predetermined authentication method in a selectable state.

2. The communication apparatus according to claim 1, wherein, even in a case where a frequency band different from the predetermined frequency band is selected, a control is performed to display the other authentication method in a selectable state.

3. The communication apparatus according to claim 1, wherein, in a case where the predetermined frequency band is selected, a control is performed to display the predetermined authentication method in a grayout state.

4. The communication apparatus according to claim 1, wherein, in a case where the predetermined frequency band is selected, a control is performed not to display the predetermined authentication method.

5. The communication apparatus according to claim 1, wherein, in a case where the predetermined frequency band is selected, a control is performed not to display a predetermined encryption method in a selectable state, and to display another encryption method different from the predetermined encryption method in a selectable state, and wherein, in a case where a frequency band different from the predetermined frequency band is selected, a control is performed to display the predetermined encryption method in a selectable state.

6. The communication apparatus according to claim 5, wherein, even in a case where a frequency band different from the predetermined frequency band is selected, a control is performed to display the other encryption method in a selectable state.

7. The communication apparatus according to claim 5, wherein the other encryption method is an Advanced Encryption Standard (AES).

8. The communication apparatus according to claim 5, wherein the predetermined encryption method is a Temporal Key Integrity Protocol (TKIP).

9. The communication apparatus according to claim 5, wherein, in a case where the predetermined frequency band is selected, a control is performed to display the predetermined encryption method in a grayout state.

10. The communication apparatus according to claim 5, wherein, in a case where the predetermined frequency band is selected, a control is performed not to display the predetermined encryption method.

11. The communication apparatus according to claim 1, wherein, in a case where the predetermined authentication method is selected, a control is performed not to display the predetermined frequency band in a selectable state, and to display a frequency band different from the predetermined frequency band in a selectable state, and wherein, in a case where another authentication method different from the predetermined authentication method is selected, a control is performed to display the predetermined frequency band in a selectable state.

12. The communication apparatus according to claim 11, wherein, even in a case where the other authentication method is selected, a control is performed to display a frequency band different from the predetermined frequency band in a selectable state.

13. The communication apparatus according to claim 11, wherein, in a case where the predetermined authentication method is selected, a control is performed to display the predetermined frequency band in a grayout state.

14. The communication apparatus according to claim 11, wherein, in a case where the predetermined authentication method is selected, a control is performed not to display the predetermined frequency band.

15. The communication apparatus according to claim 11, wherein the instructions further cause the communication apparatus to select an encryption method to be used in a case where wireless communication complying with an IEEE 802.11 series standard is executed, wherein, in a case where a predetermined encryption method is selected, a control is performed not to display the predetermined frequency band in a selectable state, and to display a frequency band different from the predetermined frequency band in a selectable state, and wherein, in a case where another encryption method different from the predetermined encryption method is selected, a control is performed to display the predetermined frequency band in a selectable state.

16. The communication apparatus according to claim 15, wherein, even in a case where the other encryption method is selected, a control is performed to display a frequency band different from the predetermined frequency band in a selectable state.

17. The communication apparatus according to claim 15, wherein the other encryption method is an AES.

18. The communication apparatus according to claim 15, wherein the predetermined encryption method is a TKIP.

19. The communication apparatus according to claim 15, wherein, in a case where the predetermined encryption method is selected, a control is performed to display the predetermined frequency band in a grayout state.

20. The communication apparatus according to claim 15, wherein, in a case where the predetermined encryption method is selected, a control is performed not to display the predetermined frequency band.

21. The communication apparatus according to claim 1, wherein, in a case where the predetermined frequency band is selected and the predetermined authentication method is selected, a control is performed to notify a user of an error.

22. The communication apparatus according to claim 21, wherein, in a case where the predetermined frequency band is selected and another authentication method different from the predetermined authentication method is selected, or in a case where a frequency band different from the predetermined frequency band is selected and the predetermined authentication method or the other authentication method is selected, a control is performed to notify a user that a setting has no problem.

23. The communication apparatus according to claim 21, wherein the instructions further cause the communication apparatus to select an encryption method to be used in a case where wireless communication complying with an IEEE 802.11 series standard is executed, wherein, in a case where the predetermined frequency band is selected and a predetermined encryption method is selected, a control is performed to notify a user of an error.

24. The communication apparatus according to claim 23, wherein, in a case where the predetermined frequency band is selected and another encryption method different from the predetermined encryption method is selected, or in a case where a frequency band different from the predetermined frequency band is selected and the predetermined encryption method or the other encryption method is selected, a control is performed to notify a user that a setting has no problem.

25. The communication apparatus according to claim 24, wherein the other encryption method is an AES.

26. The communication apparatus according to claim 23, wherein the predetermined encryption method is a TKIP.

27. The communication apparatus according to claim 21, wherein a control is performed to notify a user of an error by outputting error sound for error notification.

28. The communication apparatus according to claim 21, wherein a control is performed to notify a user of an error by displaying a screen for error notification.

29. The communication apparatus according to claim 20, wherein the other authentication method is at least any one authentication method of Wi-Fi Protected Access (WPA)3, and Open that uses an Opportunistic Wireless Encryption (OWE) method as a key sharing method.

30. The communication apparatus according to claim 1, wherein a frequency band different from the predetermined frequency band is a 2.4 gigahertz (GHz) band or a 5 GHz band.

31. The communication apparatus according to claim 1, wherein the predetermined authentication method is at least any one authentication method of Open that does not use an OWE method as a key sharing method, WPA, and WPA2.

32. The communication apparatus according to claim 1, wherein the predetermined frequency band is a 6 GHz band.

33. The communication apparatus according to claim 1, wherein a control is performed to issue a notification using a notification unit included in the communication apparatus.

34. The communication apparatus according to claim 1, wherein a control is performed to issue a notification and performing a control to display using a display unit included in another communication apparatus communicating with the communication apparatus via a cable or wirelessly.

35. A control method of a communication apparatus, the control method comprising: first selecting of selecting a frequency band to be used in a case where wireless communication complying with an IEEE 802.11 series standard is executed; second selecting of selecting an authentication method to be used in a case where wireless communication complying with an IEEE 802.11 series standard is executed; and performing a control to issue a notification to a user, in such a manner as to restrict a combination of selection of a predetermined frequency band that is made in the first selecting, and selection of a predetermined authentication method that is made in the second selecting, wherein, in a case where the predetermined frequency band is selected by the first selecting, a control is performed not to display the predetermined authentication method in a selectable state, and to display another authentication method different from the predetermined authentication method in a selectable state, and wherein, in a case where a frequency band different from the predetermined frequency band is selected by the first selecting, a control is performed to display the predetermined authentication method in a selectable state.

36. A non-transitory computer-readable storage medium storing a program for causing a computer to execute a control method of a communication apparatus, the control method comprising: first selecting of selecting a frequency band to be used in a case where wireless communication complying with an IEEE 802.11 series standard is executed; second selecting of selecting an authentication method to be used in a case where wireless communication complying with an IEEE 802.11 series standard is executed; and performing a control to issue a notification to a user, in such a manner as to restrict a combination of selection of a predetermined frequency band that is made in the first selecting, and selection of a predetermined authentication method that is made in the second selecting, wherein, in a case where the predetermined frequency band is selected by the first selecting, a control is performed not to display the predetermined authentication method in a selectable state, and to display another authentication method different from the predetermined authentication method in a selectable state, and wherein, in a case where a frequency band different from the predetermined frequency band is selected by the first selecting, a control is performed to display the predetermined authentication method in a selectable state.